The 8 Best 2 Diamond testers (2023 reviews)

The hmkis 2 diamond tester should be able to handle its purpose and duties with ease. It is good for diamond, crystal, jade, and glass. It does signal differences between crystal, stone, and glass. It can tell you if a stone is a real diamond or not. If even slightly tilted, it will give no reading or alert as diamond. It also comes in a cardboard storage box for extra protection.

You will love the fact it actually comes with its kit, cover cases, a battery, and a lil Flashlight/UVLight Microscope. It works well because it identifies diamonds and gem stones as well as is easy to use.

Why We Like This:

Easy to use, and fun worked well
Easy-peas for someone who is not a jeweler to test their diamonds
Come in a cardboard storage box for extra protection

Hqdz 2 Diamond Tester

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The hqdz 2 diamond tester should be able to handle its purpose and duties with ease. It's a must have for jewelers. It is designed for quick, precise, and safe diamond testing. The Hqdz diamond tester pen is simple to operate to get results, professional(s) are not required. This means you must touch the tip to the stone only when testing or it will beep the sound for metal detection which might throw you off if you don’t know that sound is for metal and not for a diamond. It does give positives on some metals.

The Instrument is easy to operate and understand when it beeps, after you put the batteries in (not included) then you either touched metal or found a Diamond in the rough. It definitely passes a diamond tester.

Why We Like This:

Great tool to have if you own any jewelry
Perfect gift for any gemstone collector
Accuracy is good defiantly a tool as an indicator of value
Electrical and thermal testers work regardless of size, cut, color, clarity

Presidium 2 Diamond Tester

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Compared with other tester in this category, the presidium 2 diamond tester has a convenient design. Proper calibration and care in taking readings is key to successfully using this device. The epitome of style and cutting-edge technology, the adamas diamond and moissanite tester comes with a changeable probe tip and allows you to replace any worn or damaged probe tip yourself, eradicating and reducing any equipment downtime. It provides an easy and comfortable hand hold.

The presidium adamas tests on the thermal conductivity of gemstones and it is necessary for users to calibrate the tester accordingly to their testing environment. It works great as long as you use the metal placement piece to set diamonds/moissonites on or in a metal ring.

Why We Like This:

Works great as long as you use the metal placement piece
Automatic power off after 2 minutes of inactivity
Power with 3 x aaa batteries or included usb cable and adapter

Presidium another Tester

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If you want nothing but the best desirable tester, then presidium another tester is the one you should definitely consider, as it manages to bring a lot to the table. THIS IS A QUALITY DIAMOND TESTER. It comes with the industry’s thinnest probe tip size of 0.6mm, and the pmut iii tests colorless diamonds as small as 0.02ct. It has weeded out several simulated diamonds. It can even deceive specialists. This instrument is for testing Diamonds, Moissanites and Diamond Simulants. It is easy to operate and quickly verified five known diamonds and one known topaz as a non-diamond. It can work well, but you can get false readings especially on small stones.

Why We Like This:

Very good at identifying diamonds from other look alike stones
An excellent, easy to use product
One of the new comers and featured product

TMISHION 2 Diamond Tester

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The tmishion 2 diamond tester's high-end materials makes sure that it ages well with use. The tester offers a highly compact design that is ideal for buying jewelry, buying / exchanging diamonds, selling real estate, auctions, etc. It is a pseudo-crystal, and a simulation object such as cubic zirconia (cz) will not react. It is a matching instrument with the diamond selector ii. It is lightweight, compact (size of credit card) and easy to transport. It will make continuous buzzing sound when the user accidentally touches metal rather than stone.

It is battery powered for convenience. It is equipped with a pu bag and small testing tray for holding loose stones.

Why We Like This:

Emits audible sounds to easily differentiate the readings
Uses large / small switches for testing diamonds
Designed for rapid, accurate and safe diamond testing

Zerone 2 Diamond Tester

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate tester. The zerone 2 diamond tester is exactly that - it's a simple tester that hits all the right notes. The moissanite tester is a matching instrument with the diamond selector II. It is light and compact and easy to carry. It will emit a constant buzzing sound. The diamond selector II is equipped with a PU bag and small testing tray for holding loose stones. It is only used for the distinction of colorless moissanite, non-destructive testing, simple and accurate operation, low power consumption, low battery alarm (red light indication) for the moissanite tester. It is a real diamond, the green indicator will be displayed on the diamond selector ii.

Why We Like This:

Good brand reputation
One of the new comers and featured product

TOPINCN 2 Diamond Tester

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The topincn 2 diamond tester is suitable and reliable and fits well with your daily purpose. TOPINCN focuses on industrial and home products, production and sales practical tools and items, including dressing tables, office chairs and various tools. It is a companion instrument to the diamond selector ii, which is used only to distinguish colorless moissanites. It makes a continuous buzzing sound when the user accidentally touches the metal instead of the stone.

The probe of this instrument is very sensitive. It should be protected by wearing a PU bag when not in use. If it is a real diamond, a green indicator will be displayed on diamond selector ii. The low power battery should be replaced in real time to ensure accurate detection.

Why We Like This:

One of the new comers and featured product
Good brand reputation

DANOPLUS 2 Diamond Tester

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If you often find yourself confused about appropriate and satisfactory tester, danoplus 2 diamond tester is your end point. This device is designed to help you quickly determine diamond and moissanite from other fake stones. It measures natural diamonds only and also it is able to identify diamonds as small as 2pt. It is also equipped with a fine elastic tipped probe for testing and identifying stones with small sizes. It allows continuous use of up to 2 hours and quick probe warm up time of 25 seconds.

Designed with rubber paint finish, this device provides safe, non-slip comfort and control.

Why We Like This:

Good investment for long term
Lot of satisfied buyers